package cn.j3code.demo1liyineng;

import cn.j3code.demo1liyineng.Classroom;
import java.util.List;

public interface ClassroomService {
    List<Classroom> getAllClassrooms();
    Classroom getClassroomById(Long id);
    void addClassroom(Classroom classroom);
    void updateClassroom(Classroom classroom);
    void deleteClassroom(Long id);
}
